1 package PVE
::QemuMigrate
;
5 use PVE
::AbstractMigrate
;
8 use POSIX
qw( WNOHANG );
14 use Time
::HiRes
qw( usleep );
15 use PVE
::RPCEnvironment
;
17 use base
qw(PVE::AbstractMigrate);
19 sub fork_command_pipe
{
20 my ($self, $cmd) = @_;
22 my $reader = IO
::File-
>new();
23 my $writer = IO
::File-
>new();
29 eval { $cpid = open2
($reader, $writer, @$cmd); };
34 if ($orig_pid != $$) {
35 $self->log('err', "can't fork command pipe\n");
42 return { writer
=> $writer, reader
=> $reader, pid
=> $cpid };
45 sub finish_command_pipe
{
46 my ($self, $cmdpipe, $timeout) = @_;
48 my $cpid = $cmdpipe->{pid
};
49 return if !defined($cpid);
51 my $writer = $cmdpipe->{writer
};
52 my $reader = $cmdpipe->{reader
};
57 my $collect_child_process = sub {
58 my $res = waitpid($cpid, WNOHANG
);
59 if (defined($res) && ($res == $cpid)) {
60 delete $cmdpipe->{cpid
};
68 for (my $i = 0; $i < $timeout; $i++) {
69 return if &$collect_child_process();
74 $self->log('info', "ssh tunnel still running - terminating now with SIGTERM\n");
78 for (my $i = 0; $i < 10; $i++) {
79 return if &$collect_child_process();
83 $self->log('info', "ssh tunnel still running - terminating now with SIGKILL\n");
87 $self->log('err', "ssh tunnel child process (PID $cpid) couldn't be collected\n")
88 if !&$collect_child_process();
92 my ($self, $tunnel_addr) = @_;
94 my @localtunnelinfo = defined($tunnel_addr) ?
('-L' , $tunnel_addr ) : ();
96 my $cmd = [@{$self->{rem_ssh
}}, '-o ExitOnForwardFailure=yes', @localtunnelinfo, 'qm', 'mtunnel' ];
98 my $tunnel = $self->fork_command_pipe($cmd);
100 my $reader = $tunnel->{reader
};
104 PVE
::Tools
::run_with_timeout
(60, sub { $helo = <$reader>; });
105 die "no reply\n" if !$helo;
106 die "no quorum on target node\n" if $helo =~ m/^no quorum$/;
107 die "got strange reply from mtunnel ('$helo')\n"
108 if $helo !~ m/^tunnel online$/;
113 $self->finish_command_pipe($tunnel);
114 die "can't open migration tunnel - $err";
120 my ($self, $tunnel) = @_;
122 my $writer = $tunnel->{writer
};
125 PVE
::Tools
::run_with_timeout
(30, sub {
126 print $writer "quit\n";
132 $self->finish_command_pipe($tunnel, 30);
134 if ($tunnel->{sock_addr
}) {
135 # ssh does not clean up on local host
136 my $cmd = ['rm', '-f', $tunnel->{sock_addr
}]; #
137 PVE
::Tools
::run_command
($cmd);
139 # .. and just to be sure check on remote side
140 unshift @{$cmd}, @{$self->{rem_ssh
}};
141 PVE
::Tools
::run_command
($cmd);
148 my ($self, $vmid, $code, @param) = @_;
150 return PVE
::QemuConfig-
>lock_config($vmid, $code, @param);
154 my ($self, $vmid) = @_;
156 my $online = $self->{opts
}->{online
};
158 $self->{storecfg
} = PVE
::Storage
::config
();
161 my $conf = $self->{vmconf
} = PVE
::QemuConfig-
>load_config($vmid);
163 PVE
::QemuConfig-
>check_lock($conf);
166 if (my $pid = PVE
::QemuServer
::check_running
($vmid)) {
167 die "can't migrate running VM without --online\n" if !$online;
170 $self->{forcemachine
} = PVE
::QemuServer
::qemu_machine_pxe
($vmid, $conf);
174 if (my $loc_res = PVE
::QemuServer
::check_local_resources
($conf, 1)) {
175 if ($self->{running
} || !$self->{opts
}->{force
}) {
176 die "can't migrate VM which uses local devices\n";
178 $self->log('info', "migrating VM which uses local devices");
182 my $vollist = PVE
::QemuServer
::get_vm_volumes
($conf);
184 my $need_activate = [];
185 foreach my $volid (@$vollist) {
186 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid, 1);
188 # check if storage is available on both nodes
189 my $targetsid = $self->{opts
}->{targetstorage
} ?
$self->{opts
}->{targetstorage
} : $sid;
191 my $scfg = PVE
::Storage
::storage_check_node
($self->{storecfg
}, $sid);
192 PVE
::Storage
::storage_check_node
($self->{storecfg
}, $targetsid, $self->{node
});
194 if ($scfg->{shared
}) {
195 # PVE::Storage::activate_storage checks this for non-shared storages
196 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
197 warn "Used shared storage '$sid' is not online on source node!\n"
198 if !$plugin->check_connection($sid, $scfg);
200 # only activate if not shared
201 push @$need_activate, $volid;
206 PVE
::Storage
::activate_volumes
($self->{storecfg
}, $need_activate);
208 # test ssh connection
209 my $cmd = [ @{$self->{rem_ssh
}}, '/bin/true' ];
210 eval { $self->cmd_quiet($cmd); };
211 die "Can't connect to destination address using public key\n" if $@;
217 my ($self, $vmid) = @_;
219 my $conf = $self->{vmconf
};
221 # local volumes which have been copied
222 $self->{volumes
} = [];
228 # found local volumes and their origin
229 my $local_volumes = {};
230 my $local_volumes_errors = {};
231 my $other_errors = [];
236 my $log_error = sub {
237 my ($msg, $volid) = @_;
239 if (defined($volid)) {
240 $local_volumes_errors->{$volid} = $msg;
242 push @$other_errors, $msg;
247 my @sids = PVE
::Storage
::storage_ids
($self->{storecfg
});
248 foreach my $storeid (@sids) {
249 my $scfg = PVE
::Storage
::storage_config
($self->{storecfg
}, $storeid);
250 next if $scfg->{shared
};
251 next if !PVE
::Storage
::storage_check_enabled
($self->{storecfg
}, $storeid, undef, 1);
253 # get list from PVE::Storage (for unused volumes)
254 my $dl = PVE
::Storage
::vdisk_list
($self->{storecfg
}, $storeid, $vmid);
256 next if @{$dl->{$storeid}} == 0;
258 # check if storage is available on target node
259 PVE
::Storage
::storage_check_node
($self->{storecfg
}, $storeid, $self->{node
});
260 $sharedvm = 0; # there is a non-shared disk
262 PVE
::Storage
::foreach_volid
($dl, sub {
263 my ($volid, $sid, $volname) = @_;
265 $local_volumes->{$volid} = 'storage';
269 my $test_volid = sub {
270 my ($volid, $is_cdrom, $snapname) = @_;
274 if ($volid =~ m
|^/|) {
275 $local_volumes->{$volid} = 'config';
276 die "local file/device\n";
280 if ($volid eq 'cdrom') {
281 my $msg = "can't migrate local cdrom drive";
282 $msg .= " (referenced in snapshot '$snapname')"
283 if defined($snapname);
285 &$log_error("$msg\n");
288 return if $volid eq 'none';
291 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid);
293 my $targetsid = $self->{opts
}->{targetstorage
} ?
$self->{opts
}->{targetstorage
} : $sid;
294 # check if storage is available on both nodes
295 my $scfg = PVE
::Storage
::storage_check_node
($self->{storecfg
}, $sid);
296 PVE
::Storage
::storage_check_node
($self->{storecfg
}, $sid, $self->{node
});
298 return if $scfg->{shared
};
302 $local_volumes->{$volid} = defined($snapname) ?
'snapshot' : 'config';
304 die "local cdrom image\n" if $is_cdrom;
306 my ($path, $owner) = PVE
::Storage
::path
($self->{storecfg
}, $volid);
308 die "owned by other VM (owner = VM $owner)\n"
309 if !$owner || ($owner != $self->{vmid
});
311 if (defined($snapname)) {
312 # we cannot migrate shapshots on local storage
313 # exceptions: 'zfspool' or 'qcow2' files (on directory storage)
315 my $format = PVE
::QemuServer
::qemu_img_format
($scfg, $volname);
316 die "online storage migration not possible if snapshot exists\n" if $self->{running
};
317 if (!($scfg->{type
} eq 'zfspool' || $format eq 'qcow2')) {
318 die "non-migratable snapshot exists\n";
322 die "referenced by linked clone(s)\n"
323 if PVE
::Storage
::volume_is_base_and_used
($self->{storecfg
}, $volid);
326 my $test_drive = sub {
327 my ($ds, $drive, $snapname) = @_;
330 &$test_volid($drive->{file
}, PVE
::QemuServer
::drive_is_cdrom
($drive), $snapname);
333 &$log_error($@, $drive->{file
}) if $@;
336 foreach my $snapname (keys %{$conf->{snapshots
}}) {
338 &$test_volid($conf->{snapshots
}->{$snapname}->{'vmstate'}, 0, undef)
339 if defined($conf->{snapshots
}->{$snapname}->{'vmstate'});
341 &$log_error($@, $conf->{snapshots
}->{$snapname}->{'vmstate'}) if $@;
343 PVE
::QemuServer
::foreach_drive
($conf->{snapshots
}->{$snapname}, $test_drive, $snapname);
345 PVE
::QemuServer
::foreach_drive
($conf, $test_drive);
347 foreach my $vol (sort keys %$local_volumes) {
348 if ($local_volumes->{$vol} eq 'storage') {
349 $self->log('info', "found local disk '$vol' (via storage)\n");
350 } elsif ($local_volumes->{$vol} eq 'config') {
351 die "can't live migrate attached local disks without with-local-disks option\n" if $self->{running
} && !$self->{opts
}->{"with-local-disks"};
352 $self->log('info', "found local disk '$vol' (in current VM config)\n");
353 } elsif ($local_volumes->{$vol} eq 'snapshot') {
354 $self->log('info', "found local disk '$vol' (referenced by snapshot(s))\n");
356 $self->log('info', "found local disk '$vol'\n");
360 foreach my $vol (sort keys %$local_volumes_errors) {
361 $self->log('warn', "can't migrate local disk '$vol': $local_volumes_errors->{$vol}");
363 foreach my $err (@$other_errors) {
364 $self->log('warn', "$err");
367 if ($self->{running
} && !$sharedvm && !$self->{opts
}->{targetstorage
}) {
368 $self->{opts
}->{targetstorage
} = 1; #use same sid for remote local
372 die "can't migrate VM - check log\n";
375 # additional checks for local storage
376 foreach my $volid (keys %$local_volumes) {
377 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid);
378 my $scfg = PVE
::Storage
::storage_config
($self->{storecfg
}, $sid);
380 my $migratable = ($scfg->{type
} eq 'dir') || ($scfg->{type
} eq 'zfspool') ||
381 ($scfg->{type
} eq 'lvmthin') || ($scfg->{type
} eq 'lvm');
383 die "can't migrate '$volid' - storage type '$scfg->{type}' not supported\n"
386 # image is a linked clone on local storage, se we can't migrate.
387 if (my $basename = (PVE
::Storage
::parse_volname
($self->{storecfg
}, $volid))[3]) {
388 die "can't migrate '$volid' as it's a clone of '$basename'";
392 $self->log('info', "copying disk images");
394 foreach my $volid (keys %$local_volumes) {
395 my ($sid, $volname) = PVE
::Storage
::parse_volume_id
($volid);
396 if ($self->{running
} && $self->{opts
}->{targetstorage
} && $local_volumes->{$volid} eq 'config') {
397 push @{$self->{online_local_volumes
}}, $volid;
399 push @{$self->{volumes
}}, $volid;
400 PVE
::Storage
::storage_migrate
($self->{storecfg
}, $volid, $self->{nodeip
}, $sid);
404 die "Failed to sync data - $@" if $@;
407 sub cleanup_remotedisks
{
410 foreach my $target_drive (keys %{$self->{target_drive
}}) {
412 my $drive = PVE
::QemuServer
::parse_drive
($target_drive, $self->{target_drive
}->{$target_drive}->{volid
});
413 my ($storeid, $volname) = PVE
::Storage
::parse_volume_id
($drive->{file
});
415 my $cmd = [@{$self->{rem_ssh
}}, 'pvesm', 'free', "$storeid:$volname"];
417 eval{ PVE
::Tools
::run_command
($cmd, outfunc
=> sub {}, errfunc
=> sub {}) };
419 $self->log('err', $err);
426 my ($self, $vmid) = @_;
428 $self->log('info', "starting migration of VM $vmid to node '$self->{node}' ($self->{nodeip})");
430 my $conf = $self->{vmconf
};
432 # set migrate lock in config file
433 $conf->{lock} = 'migrate';
434 PVE
::QemuConfig-
>write_config($vmid, $conf);
436 sync_disks
($self, $vmid);
441 my ($self, $vmid, $err) = @_;
443 $self->log('info', "aborting phase 1 - cleanup resources");
445 my $conf = $self->{vmconf
};
446 delete $conf->{lock};
447 eval { PVE
::QemuConfig-
>write_config($vmid, $conf) };
449 $self->log('err', $err);
452 if ($self->{volumes
}) {
453 foreach my $volid (@{$self->{volumes
}}) {
454 $self->log('err', "found stale volume copy '$volid' on node '$self->{node}'");
455 # fixme: try to remove ?
461 my ($self, $vmid) = @_;
463 my $conf = $self->{vmconf
};
465 $self->log('info', "starting VM $vmid on remote node '$self->{node}'");
469 my $ruri; # the whole migration dst. URI (protocol:address[:port])
470 my $nodename = PVE
::INotify
::nodename
();
472 ## start on remote node
473 my $cmd = [@{$self->{rem_ssh
}}];
476 if (PVE
::QemuServer
::vga_conf_has_spice
($conf->{vga
})) {
477 my $res = PVE
::QemuServer
::vm_mon_cmd
($vmid, 'query-spice');
478 $spice_ticket = $res->{ticket
};
481 push @$cmd , 'qm', 'start', $vmid, '--skiplock', '--migratedfrom', $nodename;
483 # we use TCP only for unsecure migrations as TCP ssh forward tunnels often
484 # did appeared to late (they are hard, if not impossible, to check for)
485 # secure migration use UNIX sockets now, this *breaks* compatibilty when trying
486 # to migrate from new to old but *not* from old to new.
487 my $datacenterconf = PVE
::Cluster
::cfs_read_file
('datacenter.cfg');
489 my $migration_type = 'secure';
490 if (defined($self->{opts
}->{migration_type
})) {
491 $migration_type = $self->{opts
}->{migration_type
};
492 } elsif (defined($datacenterconf->{migration
}->{type
})) {
493 $migration_type = $datacenterconf->{migration
}->{type
};
496 push @$cmd, '--migration_type', $migration_type;
498 push @$cmd, '--migration_network', $self->{opts
}->{migration_network
}
499 if $self->{opts
}->{migration_network
};
501 if ($migration_type eq 'insecure') {
502 push @$cmd, '--stateuri', 'tcp';
504 push @$cmd, '--stateuri', 'unix';
507 if ($self->{forcemachine
}) {
508 push @$cmd, '--machine', $self->{forcemachine
};
511 if ($self->{opts
}->{targetstorage
}) {
512 push @$cmd, '--targetstorage', $self->{opts
}->{targetstorage
};
517 # Note: We try to keep $spice_ticket secret (do not pass via command line parameter)
518 # instead we pipe it through STDIN
519 PVE
::Tools
::run_command
($cmd, input
=> $spice_ticket, outfunc
=> sub {
522 if ($line =~ m/^migration listens on tcp:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+)$/) {
525 $ruri = "tcp:$raddr:$rport";
527 elsif ($line =~ m!^migration listens on unix:(/run/qemu-server/(\d+)\.migrate)$!) {
529 die "Destination UNIX sockets VMID does not match source VMID" if $vmid ne $2;
530 $ruri = "unix:$raddr";
532 elsif ($line =~ m/^migration listens on port (\d+)$/) {
533 $raddr = "localhost";
535 $ruri = "tcp:$raddr:$rport";
537 elsif ($line =~ m/^spice listens on port (\d+)$/) {
538 $spice_port = int($1);
540 elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) {
542 my $nbd_uri = "nbd:$1:$2:exportname=$3";
543 my $targetdrive = $3;
544 $targetdrive =~ s/drive-//g;
546 $self->{target_drive
}->{$targetdrive}->{volid
} = $volid;
547 $self->{target_drive
}->{$targetdrive}->{nbd_uri
} = $nbd_uri;
552 $self->log('info', $line);
555 die "unable to detect remote migration address\n" if !$raddr;
557 if ($migration_type eq 'secure') {
558 $self->log('info', "start remote tunnel");
560 if ($ruri =~ /^unix:/) {
562 $self->{tunnel
} = $self->fork_tunnel("$raddr:$raddr");
563 $self->{tunnel
}->{sock_addr
} = $raddr;
565 my $unix_socket_try = 0; # wait for the socket to become ready
566 while (! -S
$raddr) {
568 if ($unix_socket_try > 100) {
570 $self->finish_tunnel($self->{tunnel
});
571 die "Timeout, migration socket $ruri did not get ready";
577 } elsif ($ruri =~ /^tcp:/) {
579 if ($raddr eq "localhost") {
580 # for backwards compatibility with older qemu-server versions
581 my $pfamily = PVE
::Tools
::get_host_address_family
($nodename);
582 my $lport = PVE
::Tools
::next_migrate_port
($pfamily);
583 $tunnel_addr = "$lport:localhost:$rport";
586 $self->{tunnel
} = $self->fork_tunnel($tunnel_addr);
589 die "unsupported protocol in migration URI: $ruri\n";
595 if ($self->{opts
}->{targetstorage
} && defined $self->{online_local_volumes
}) {
596 $self->{storage_migration
} = 1;
597 $self->{storage_migration_jobs
} = {};
598 $self->log('info', "starting storage migration");
600 die "The number of local disks does not match between the source and the destination.\n"
601 if (scalar(keys %{$self->{target_drive
}}) != scalar @{$self->{online_local_volumes
}});
602 foreach my $drive (keys %{$self->{target_drive
}}){
603 my $nbd_uri = $self->{target_drive
}->{$drive}->{nbd_uri
};
604 $self->log('info', "$drive: start migration to to $nbd_uri");
605 PVE
::QemuServer
::qemu_drive_mirror
($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs
}, 1);
609 $self->log('info', "starting online/live migration on $ruri");
610 $self->{livemigration
} = 1;
613 my $defaults = PVE
::QemuServer
::load_defaults
();
615 # always set migrate speed (overwrite kvm default of 32m)
616 # we set a very hight default of 8192m which is basically unlimited
617 my $migrate_speed = $defaults->{migrate_speed
} || 8192;
618 $migrate_speed = $conf->{migrate_speed
} || $migrate_speed;
619 $migrate_speed = $migrate_speed * 1048576;
620 $self->log('info', "migrate_set_speed: $migrate_speed");
622 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "migrate_set_speed", value
=> int($migrate_speed));
624 $self->log('info', "migrate_set_speed error: $@") if $@;
626 my $migrate_downtime = $defaults->{migrate_downtime
};
627 $migrate_downtime = $conf->{migrate_downtime
} if defined($conf->{migrate_downtime
});
628 if (defined($migrate_downtime)) {
629 $self->log('info', "migrate_set_downtime: $migrate_downtime");
631 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "migrate_set_downtime", value
=> int($migrate_downtime*100)/100);
633 $self->log('info', "migrate_set_downtime error: $@") if $@;
636 $self->log('info', "set migration_caps");
638 PVE
::QemuServer
::set_migration_caps
($vmid);
642 #set cachesize 10% of the total memory
643 my $cachesize = int($conf->{memory
}*1048576/10);
644 $self->log('info', "set cachesize: $cachesize");
646 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "migrate-set-cache-size", value
=> int($cachesize));
648 $self->log('info', "migrate-set-cache-size error: $@") if $@;
650 if (PVE
::QemuServer
::vga_conf_has_spice
($conf->{vga
})) {
651 my $rpcenv = PVE
::RPCEnvironment
::get
();
652 my $authuser = $rpcenv->get_user();
654 my (undef, $proxyticket) = PVE
::AccessControl
::assemble_spice_ticket
($authuser, $vmid, $self->{node
});
656 my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem";
657 my $subject = PVE
::AccessControl
::read_x509_subject_spice
($filename);
659 $self->log('info', "spice client_migrate_info");
662 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "client_migrate_info", protocol
=> 'spice',
663 hostname
=> $proxyticket, 'tls-port' => $spice_port,
664 'cert-subject' => $subject);
666 $self->log('info', "client_migrate_info error: $@") if $@;
670 $self->log('info', "start migrate command to $ruri");
672 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "migrate", uri
=> $ruri);
675 $self->log('info', "migrate uri => $ruri failed: $merr") if $merr;
678 my $usleep = 2000000;
682 my $downtimecounter = 0;
685 my $avglstat = $lstat/$i if $lstat;
690 $stat = PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "query-migrate");
694 warn "query migrate failed: $err\n";
695 $self->log('info', "query migrate failed: $err");
696 if ($err_count <= 5) {
700 die "too many query migrate failures - aborting\n";
703 if (defined($stat->{status
}) && $stat->{status
} =~ m/^(setup)$/im) {
708 if (defined($stat->{status
}) && $stat->{status
} =~ m/^(active|completed|failed|cancelled)$/im) {
711 if ($stat->{status
} eq 'completed') {
712 my $delay = time() - $start;
714 my $mbps = sprintf "%.2f", $conf->{memory
}/$delay;
715 my $downtime = $stat->{downtime
} || 0;
716 $self->log('info', "migration speed: $mbps MB/s - downtime $downtime ms");
720 if ($stat->{status
} eq 'failed' || $stat->{status
} eq 'cancelled') {
721 $self->log('info', "migration status error: $stat->{status}");
725 if ($stat->{status
} ne 'active') {
726 $self->log('info', "migration status: $stat->{status}");
730 if ($stat->{ram
}->{transferred
} ne $lstat) {
731 my $trans = $stat->{ram
}->{transferred
} || 0;
732 my $rem = $stat->{ram
}->{remaining
} || 0;
733 my $total = $stat->{ram
}->{total
} || 0;
734 my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0;
735 my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0;
736 my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0;
737 my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0;
738 my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0;
739 #reduce sleep if remainig memory if lower than the everage transfert
740 $usleep = 300000 if $avglstat && $rem < $avglstat;
742 $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " .
743 "remaining ${rem}), total ${total})");
745 if (${xbzrlecachesize
}) {
746 $self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}");
749 if (($lastrem && $rem > $lastrem ) || ($rem == 0)) {
754 if ($downtimecounter > 5) {
755 $downtimecounter = 0;
756 $migrate_downtime *= 2;
757 $self->log('info', "migrate_set_downtime: $migrate_downtime");
759 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "migrate_set_downtime", value
=> int($migrate_downtime*100)/100);
761 $self->log('info', "migrate_set_downtime error: $@") if $@;
767 $lstat = $stat->{ram
}->{transferred
};
771 die "unable to parse migration status '$stat->{status}' - aborting\n";
775 # just to be sure that the tunnel gets closed on successful migration, on error
776 # phase2_cleanup closes it *after* stopping the remote waiting VM
777 if (!$self->{errors
} && $self->{tunnel
}) {
778 eval { finish_tunnel
($self, $self->{tunnel
}); };
780 $self->log('err', $err);
787 my ($self, $vmid, $err) = @_;
789 return if !$self->{errors
};
790 $self->{phase2errors
} = 1;
792 $self->log('info', "aborting phase 2 - cleanup resources");
794 $self->log('info', "migrate_cancel");
796 PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, "migrate_cancel");
798 $self->log('info', "migrate_cancel error: $@") if $@;
800 my $conf = $self->{vmconf
};
801 delete $conf->{lock};
802 eval { PVE
::QemuConfig-
>write_config($vmid, $conf) };
804 $self->log('err', $err);
807 # cleanup ressources on target host
808 if ($self->{storage_migration
}) {
810 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $self->{storage_migration_jobs
}) };
812 $self->log('err', $err);
815 eval { PVE
::QemuMigrate
::cleanup_remotedisks
($self) };
817 $self->log('err', $err);
821 my $nodename = PVE
::INotify
::nodename
();
823 my $cmd = [@{$self->{rem_ssh
}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename];
824 eval{ PVE
::Tools
::run_command
($cmd, outfunc
=> sub {}, errfunc
=> sub {}) };
826 $self->log('err', $err);
830 if ($self->{tunnel
}) {
831 eval { finish_tunnel
($self, $self->{tunnel
}); };
833 $self->log('err', $err);
840 my ($self, $vmid) = @_;
842 my $volids = $self->{volumes
};
843 return if $self->{phase2errors
};
845 # destroy local copies
846 foreach my $volid (@$volids) {
847 eval { PVE
::Storage
::vdisk_free
($self->{storecfg
}, $volid); };
849 $self->log('err', "removing local copy of '$volid' failed - $err");
851 last if $err =~ /^interrupted by signal$/;
857 my ($self, $vmid, $err) = @_;
859 my $conf = $self->{vmconf
};
860 return if $self->{phase2errors
};
862 if ($self->{storage_migration
}) {
864 eval { PVE
::QemuServer
::qemu_drive_mirror_monitor
($vmid, undef, $self->{storage_migration_jobs
}); };
867 eval { PVE
::QemuServer
::qemu_blockjobs_cancel
($vmid, $self->{storage_migration_jobs
}) };
868 eval { PVE
::QemuMigrate
::cleanup_remotedisks
($self) };
869 die "Failed to completed storage migration\n";
871 foreach my $target_drive (keys %{$self->{target_drive
}}) {
872 my $drive = PVE
::QemuServer
::parse_drive
($target_drive, $self->{target_drive
}->{$target_drive}->{volid
});
873 $conf->{$target_drive} = PVE
::QemuServer
::print_drive
($vmid, $drive);
874 PVE
::QemuConfig-
>write_config($vmid, $conf);
879 # move config to remote node
880 my $conffile = PVE
::QemuConfig-
>config_file($vmid);
881 my $newconffile = PVE
::QemuConfig-
>config_file($vmid, $self->{node
});
883 die "Failed to move config to node '$self->{node}' - rename failed: $!\n"
884 if !rename($conffile, $newconffile);
886 if ($self->{livemigration
}) {
887 # now that config file is move, we can resume vm on target if livemigrate
888 my $cmd = [@{$self->{rem_ssh
}}, 'qm', 'resume', $vmid, '--skiplock', '--nocheck'];
889 eval{ PVE
::Tools
::run_command
($cmd, outfunc
=> sub {},
892 $self->log('err', $line);
896 $self->log('err', $err);
903 if (PVE
::QemuServer
::vga_conf_has_spice
($conf->{vga
}) && $self->{running
}) {
904 $self->log('info', "Waiting for spice server migration");
906 my $res = PVE
::QemuServer
::vm_mon_cmd_nocheck
($vmid, 'query-spice');
907 last if int($res->{'migrated'}) == 1;
915 # always stop local VM
916 eval { PVE
::QemuServer
::vm_stop
($self->{storecfg
}, $vmid, 1, 1); };
918 $self->log('err', "stopping vm failed - $err");
922 # always deactivate volumes - avoid lvm LVs to be active on several nodes
924 my $vollist = PVE
::QemuServer
::get_vm_volumes
($conf);
925 PVE
::Storage
::deactivate_volumes
($self->{storecfg
}, $vollist);
928 $self->log('err', $err);
932 if($self->{storage_migration
}) {
933 # destroy local copies
934 my $volids = $self->{online_local_volumes
};
936 foreach my $volid (@$volids) {
937 eval { PVE
::Storage
::vdisk_free
($self->{storecfg
}, $volid); };
939 $self->log('err', "removing local copy of '$volid' failed - $err");
941 last if $err =~ /^interrupted by signal$/;
945 #stop nbd server to remote vm
946 my $cmd = [@{$self->{rem_ssh
}}, 'qm', 'nbdstop', $vmid];
948 eval{ PVE
::Tools
::run_command
($cmd, outfunc
=> sub {}, errfunc
=> sub {}) };
950 $self->log('err', $err);
956 my $cmd = [ @{$self->{rem_ssh
}}, 'qm', 'unlock', $vmid ];
957 $self->cmd_logerr($cmd, errmsg
=> "failed to clear migrate lock");
961 my ($self, $vmid) = @_;